A general obligation bond:

A. allows a state or local government to borrow money to finance a project and pay back the money from income earned by the project.
B. allows a state or local government to pay off its debts through the use of a sinking bond.
C. allows a state or local government to pay off its bonds gradually over the years.
D. puts the full faith and credit of the issuing government behind the bond.

Answer: D